Richard Feynman once quipped: Time is what happens when nothing else does. But Julian Barbour disagrees: if nothing happened, if nothing changed, time would stop. For time is nothing but change. It is change that we perceive occurring all around us, not time. In fact, time doesn't exist.
In this highly provocative volume, Barbour presents the basic evidence for the nonexistence of time, explaining what a timeless universe is like and showing...